CentOS下的Nginx安装配置

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CentOS下的Nginx安装配置

这里演示在CentOS使用yum快速安装Nginx,在Ubuntu,Debian下对应apt-get工具,步骤类似:

1)检查系统是否已经有CentOS的rpm安装包
2)如果没有,或者没有需要的版本,通过yum查询仓库
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yum search nginx 
3)选择需要的版本进行下载,如果yum库没有需要的版本,可以添加remi源,或者wget官网的tar包重新编译;
首选要确保系统中有www用户组和www用户,nginx默认归属该用户,当然也可以自己重新指定其他用户组,但是在nginx安装后需要更改nginx.conf中的"use www www"为指定的用户组和用户‘
安装结束后,可以通过 chkconfig nginx on 查看nginx的安装信息,和安装路径等;
为了方便演示,假设安装路径在 /usr/local/nginx

4)将nginx的sbin包添加到PATH环境变量方便nginx工具的快速调用;
vim 编辑 /etc/pofile 文件,添加以下文本后,再通过 "source /etc/profile" 更新配置;
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export PATH=$PATH:/usr/local/nginx/sbin
更新配置后重启 nginx 指令

当然也可以通过把nginx注册为service来快速开启关闭nginx,在/etc/init.d/ 下创建文件 nginx,添加以下内容:
#!/bin/bash# nginx Startup script for the Nginx HTTP Server# it is v.0.0.2 version.# chkconfig: - 85 15# description: Nginx is a high-performance web and proxy server.#              It has a lot of features, but it's not for everyone.# processname: nginx# pidfile: /var/run/nginx.pid# config: /usr/local/nginx/conf/nginx.confnginxd=/usr/local/nginx/sbin/nginxnginx_config=/usr/local/nginx/conf/nginx.confnginx_pid=/var/run/nginx.pidRETVAL=0prog="nginx"# Source function library.. /etc/rc.d/init.d/functions# Source networking configuration.. /etc/sysconfig/network# Check that networking is up.[ ${NETWORKING} = "no" ] && exit 0[ -x $nginxd ] || exit 0# Start nginx daemons functions.start() {if [ -e $nginx_pid ];then   echo "nginx already running...."   exit 1fi   echo -n $"Starting $prog: "   daemon $nginxd -c ${nginx_config}   RETVAL=$?   echo   [ $RETVAL = 0 ] && touch /var/lock/subsys/nginx   return $RETVAL}# Stop nginx daemons functions.stop() {        echo -n $"Stopping $prog: "        killproc $nginxd        RETVAL=$?        echo        [ $RETVAL = 0 ] && rm -f /var/lock/subsys/nginx /var/run/nginx.pid}# reload nginx service functions.reload() {    echo -n $"Reloading $prog: "    #kill -HUP `cat ${nginx_pid}`    killproc $nginxd -HUP    RETVAL=$?    echo}# See how we were called.case "$1" instart)        start        ;;stop)        stop        ;;reload)        reload        ;;restart)        stop        start        ;;status)       status $prog        RETVAL=$?        ;;*)        echo $"Usage: $prog {start|stop|restart|reload|status|help}"        exit 1esacexit $RETVAL



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之后执行:
便可以通过以下快速启动,关闭,重启nginx
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service nginx start
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service nginx stop
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service nginx restart





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